B

SE (B)

β

B

SE (B)

β

Step 1:

Group size

−.25

.19

−.24

.19

.25

.18

Gender distribution

−.03

.19

−.03

−.16

.17

−.15

Participants’ age

.03

.22

.03

.21

.19

.19

R2

.06

F

.66

Step 2:

Outdegree centrality

.46

.25

.44+

Weighted beetweeness

−.55

.29

−.57+

Weighted assortativity

−.61

.17

−.65**

ΔR2

.32

ΔF

5.22**

R2

.37

Adj. R2

.25

F

3.06*